Current File : /home/ngwcolle/public_html/LIBRARY-NGWC/student/build/bootstrap-less/dropdowns.less
//
// Dropdown menus
// --------------------------------------------------
// Dropdown arrow/caret
.caret {
display: inline-block;
width: 0;
height: 0;
margin-left: 2px;
vertical-align: middle;
border-top: @caret-width-base dashed;
border-top: @caret-width-base solid ~"\9"; // IE8
border-right: @caret-width-base solid transparent;
border-left: @caret-width-base solid transparent;
}
// The dropdown wrapper (div)
.dropup,
.dropdown {
position: relative;
}
// Prevent the focus on the dropdown toggle when closing dropdowns
.dropdown-toggle:focus {
outline: 0;
}
// The dropdown menu (ul)
.dropdown-menu {
position: absolute;
top: 100%;
left: 0;
z-index: @zindex-dropdown;
display: none; // none by default, but block on "open" of the menu
float: left;
min-width: 160px;
padding: 5px 0;
margin: 2px 0 0; // override default ul
list-style: none;
font-size: @font-size-base;
text-align: left; // Ensures proper alignment if parent has it changed (e.g., modal footer)
background-color: @dropdown-bg;
border: 1px solid @dropdown-fallback-border; // IE8 fallback
border: 1px solid @dropdown-border;
border-radius: @border-radius-base;
.box-shadow(0 6px 12px rgba(0,0,0,.175));
background-clip: padding-box;
// Aligns the dropdown menu to right
//
// Deprecated as of 3.1.0 in favor of `.dropdown-menu-[dir]`
&.pull-right {
right: 0;
left: auto;
}
// Dividers (basically an hr) within the dropdown
.divider {
.nav-divider(@dropdown-divider-bg);
}
// Links within the dropdown menu
> li > a {
display: block;
padding: 3px 20px;
clear: both;
font-weight: normal;
line-height: @line-height-base;
color: @dropdown-link-color;
white-space: nowrap; // prevent links from randomly breaking onto new lines
}
}
// Hover/Focus state
.dropdown-menu > li > a {
&:hover,
&:focus {
text-decoration: none;
color: @dropdown-link-hover-color;
background-color: @dropdown-link-hover-bg;
}
}
// Active state
.dropdown-menu > .active > a {
&,
&:hover,
&:focus {
color: @dropdown-link-active-color;
text-decoration: none;
outline: 0;
background-color: @dropdown-link-active-bg;
}
}
// Disabled state
//
// Gray out text and ensure the hover/focus state remains gray
.dropdown-menu > .disabled > a {
&,
&:hover,
&:focus {
color: @dropdown-link-disabled-color;
}
// Nuke hover/focus effects
&:hover,
&:focus {
text-decoration: none;
background-color: transparent;
background-image: none; // Remove CSS gradient
.reset-filter();
cursor: @cursor-disabled;
}
}
// Open state for the dropdown
.open {
// Show the menu
> .dropdown-menu {
display: block;
}
// Remove the outline when :focus is triggered
> a {
outline: 0;
}
}
// Menu positioning
//
// Add extra class to `.dropdown-menu` to flip the alignment of the dropdown
// menu with the parent.
.dropdown-menu-right {
left: auto; // Reset the default from `.dropdown-menu`
right: 0;
}
// With v3, we enabled auto-flipping if you have a dropdown within a right
// aligned nav component. To enable the undoing of that, we provide an override
// to restore the default dropdown menu alignment.
//
// This is only for left-aligning a dropdown menu within a `.navbar-right` or
// `.pull-right` nav component.
.dropdown-menu-left {
left: 0;
right: auto;
}
// Dropdown section headers
.dropdown-header {
display: block;
padding: 3px 20px;
font-size: @font-size-small;
line-height: @line-height-base;
color: @dropdown-header-color;
white-space: nowrap; // as with > li > a
}
// Backdrop to catch body clicks on mobile, etc.
.dropdown-backdrop {
position: fixed;
left: 0;
right: 0;
bottom: 0;
top: 0;
z-index: (@zindex-dropdown - 10);
}
// Right aligned dropdowns
.pull-right > .dropdown-menu {
right: 0;
left: auto;
}
// Allow for dropdowns to go bottom up (aka, dropup-menu)
//
// Just add .dropup after the standard .dropdown class and you're set, bro.
// TODO: abstract this so that the navbar fixed styles are not placed here?
.dropup,
.navbar-fixed-bottom .dropdown {
// Reverse the caret
.caret {
border-top: 0;
border-bottom: @caret-width-base dashed;
border-bottom: @caret-width-base solid ~"\9"; // IE8
content: "";
}
// Different positioning for bottom up menu
.dropdown-menu {
top: auto;
bottom: 100%;
margin-bottom: 2px;
}
}
// Component alignment
//
// Reiterate per navbar.less and the modified component alignment there.
@media (min-width: @grid-float-breakpoint) {
.navbar-right {
.dropdown-menu {
.dropdown-menu-right();
}
// Necessary for overrides of the default right aligned menu.
// Will remove come v4 in all likelihood.
.dropdown-menu-left {
.dropdown-menu-left();
}
}
}
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